[FFmpeg-user] Need help rewrapping vixia hfs100 .mts files and concatenating to .mp4

David Favor david at davidfavor.com
Tue Sep 6 19:20:39 CEST 2011

Flow seems to be...

1) rewrap

2) concatenate files

To rewrap I've tried these commands:

    ffmpeg -y -i $name.mts -vcodec copy -acodec copy $name.mp4

    ffmpeg -y -i $name.mts -f mp4 -vcodec copy -acodec libfaac -ab 256000 -ac 2 $name.mp4

To concatenate:

    mp4box -cat 00178.mp4 -cat 00179.mp4 -cat 00180.mp4 -cat 00181.mp4 -cat 00182.mp4 -new final.mp4

Problem is audio drifts out of sync with each new file concatenated.

So... It appears I have to transcode these files.

This being the case, if anyone has a command set that works for
either general .mts clips or specifically vixia clips, pass
it along to me.


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